Abstract

Introduction: Inflammatory mediators play a major role in pathogenesis of acute pancreatitis with TNF (tumor necro­sis factor) as the most important one. Development of effective combined therapy could help to decrease tissue damage, improve results and, finally, diminish the mortality rate in this severe pathology.
 Materials and methods: All the studies were performed on 120 female white Wistar rats, weighing 250±25g. Acute pancreatitis reproduced by an intracanalicular injection of bile salts compound.
 Results and discussion: The data obtained in the course of the study on the pronounced pancreatoprotective effect of infliximab are explained by its key role in the onset of the systemic inflammatory response, and, therefore, with the blockade of tumor necrosis factor alpha in the early stages, there is no pronounced secondary damage to the pancreas, which is reflected in a significant decrease in edema from 4.87±0.03 in the model up to 2.75±0.04, and as a conse­quence, an improvement in the blood supply of the acinar tissue from 182.38±15.92 PU up to 287.92±14.64 PU, which is expressed in a decrease in the zones of necrosis and in a decrease in mortality and, finally, efficiency coefficient from 13480.000 to 4283.348. A selective blocker of cysteinyl leukotrienes has a less pronounced protective reaction against damage to pancreatocytes, but to a much greater extent than octreotide. That is expressed by changes in the efficiency coefficient to the level of 8621.18 in montelukast group and 12767.30 in octreotide group, respectively. On the other hand, the effect of the use of infliximab does not surpass that of montelukast, and their combined use has a pronounced additive effect, which is proved by the efficiency coefficient at the level of 2390.33. This reaction is explained by the fact that TNF alpha-mediated pathway of activation of leukotriene biosynthesis is the main, but not the only one.
 Conclusion: The combined anti-mediator therapy provides a great opportunity to improve the standard therapy of acute pancreatitis.

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